Q.

Select the wrong statement.

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

Bacterial cell wall is made up of peptidoglycan.

b

Mycoplasma is a wall-less microorganism.

c

Pili and fimbriae are mainly involved in motility of bacterial cells.

d

Cyanobacteria lack flagellated cells.

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

detailed_solution_thumbnail

(2) is the wrong statement.
Pili and fimbriae of bacteria are adhering structures. Pili help in attaching to other bacterium during conjugation. Fimbriae help in attaching to surface of rocks and host tissues.
(1) Bacterial cell wall is made of peptidoglycan or mureins.
(3) Cyanobacteria or blue-green algae do not have any flagellated cells. They have thick gelatinous sheath around their cells or fi laments or colonies.
(4) The Mycoplasma are organisms that completely lack a cell wall.

Watch 3-min video & get full concept clarity

tricks from toppers of Infinity Learn

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon